IBD whacks the deal too ... and interesting dichotomy as they usually are all about young companies with a "future" v. their distrust (to put it charitably) about Obama.
I've done a little reading on algae in the past, (remember those XOM commericals over the last year or so?) and the story always seems to be it didn't ramp up to real production, but perhaps one day that will change. CDXS was on my radar in 2010.
Haven't waded through his stuff yet, and they're not public, but I suspect at the very least he makes arguments you might find good to consider, whether you agree with them or not. Full disclosure: he could be a quack for all I know at this point.
Please let me know if you do and whether it was useful or a waste of time.